Per your requests, here are the steps I took to make the clutch from this post. Please note that I made a very simple version, so the end product is not lined (I plan on adding lining later, but keep the contents in a large ziploc baggie for now) and is not professional quality.
Supplies:
– Material for the clutch (leather, faux leather, cotton, canvas, etc). Determine what size clutch you want and add approximately 0.5″ to each side for the seam allowance. You will need either two pieces of material that size, or one long piece. If you want a foldover style clutch, make sure add extra length to the height for folding down. In this tutorial, I am using a 12″ x 20″ piece of material which yielded an 11″ x 7″ clutch when folded.
A note on materials – I ordered the cheetah print hair on leather from here (requested a custom size). It was listed as 1.3 mm thick, however my measurements indicated at least 2 mm thick, which I feel is too much for a standard machine needle to handle. For my red clutch shown here, I ordered “ostritch” embossed leather from the same store. That material was accurately listed at 1.2 mm thick, and was fairly easy to work with using my machine.
– A sturdy zipper. Try to find one that is the same width of your material. I got a 12″ metal zipper also via eBay.
I decided to do a “fully exposed” zipper and attach it to the outer of the material, because the leather was too stiff to bend using the proper method. Of course you can add a strip of thinner material to connect the two like many professional clutches, but I decided that this shortcut didn’t look half bad.
Step 1. Pin one edge of the zipper to the outer of your clutch material. From the backside, make sure the leather edge won’t interfere with the zipper pull. You can test the zipper after you finish pinning along where the stitches will be. 
2. Stitch along the pinned line. Make sure to back-stitch at the beginning and the end to secure the stitches. Don’t forget to remove the pins as your needle approaches!
As this leather was 2mm thick and I only had a standard duty needle, I hand-turned the sewing machine wheel to not risk breaking my needle. I believe you can do this with the machine turned off. I am a very bad hand-sewer, so I opted for this method to get evenly-spaced stitches (as shown in the photo, I had to switch my “foot” because the standard one interfered with the metal zipper). If you are sewing by hand, maybe use a thimble to assist with getting the needle through thicker materials.
Repeat steps 1 and 2 for the other half of the zipper. 
3. Turn the material inside-out and mark lines for the side seams. Stitch along the marked lines, and back-stitch once or twice at the edges for durability. If you started with two pieces of material instead of one long one, you’ll need to stitch together the bottom as well. 
Closeup – stitch the side seams all the way to the edge of the zipper, making sure not to hit any metal parts and break your needle. I opened up the zipper a little bit before “sealing” the last of the three edges.
4. Snip the bottom corners (may not be necessary for thin materials or fabrics). Get fairly close to your stitched line without cutting any of the stitches. For corners on thicker/stiffer materials, this helps keep the corner sharp after it is turned rightside-out. 
5. Open up the zipper and turn the entire bag rightside-out. For stiffer materials, press firmly down on the edges to flatten them, and use a small, sharp tool (ie. pen, pointy chopstick) to help poke out the corners. For fabric, use an iron.
All done! After making this, I found a very thorough tutorial for a DIY fabric clutch/pouch with lining (just skip the felt padding if you’re using thicker materials) and zipper here. I suggest practicing first using fabric, canvas, or another thinner material before moving on to leather.
Just came across your page from Pintrest, and boy, I am so happy I did. It’s extra cool, love it !! Thanks
This short article posted only at the web site is truly good.7 Mil Butterfly Pouch
Awsome! !! Where did you purchased the fabric??
Loving this DIY…can't wait to try it….slowly getting my mojo back into handbag making.
Heelz Stay High
LOVE IT!
Hi there! I'm so happy Lent is over and I can go back to reading your blog! (I gave that all up for the season and now am restricting myself to once a day for blogs and FB).
I have to say that I really love the turn your blog has taken to DIY, tailoring, and fit. I have been practicing on my sewing machine and am starting to make simple alterations on my clothes. Oddly enough, during my blog break I ended up making lined zippered pouches too.
So many blogs are about insane consumerism… buying multiples of one look, "coveting" items, etc. Not all of us are binging on purchases. Your blog is showing me how to make the items *I* have work for my body and understanding why some items weren't working.
My next project is a cross body bag, inspired by your coach purchase (will be fabric, not quite ready to sew leather)
Jean you are a genius! I purchased the leather from the same ebay store and just finished making my own clutch! I added a striped lining and it looks great. Thank you so much for your tutorial and amazing links. Similar Clare Vivier cheetah leather clutches retail for $198, ouch! Mine was made for under $40!
Omgosh! I've been after one of those but I can never find the right one! This looks so easy! Thank you, Jean! Now I'm gonna make my own 🙂
gorgeous style, adoring your blog miss!
would love to see you in casper&pearl; one day!
lots of love from the c&p; girls,
casper&pearl; blog
xx
Lol, I bought sewing for dummies AND signed up for a sewing course!
Love your blog!
did you know someone is using your image to sell the Ann Taylor vintage lace dress on Ebay? It would freak me out if someone did that to me, so wanted to let you know!
Love this DIY!!!
http://ohthatnana.blogspot.com
Great tutorial! Nice budget-friendly way for people to be able to sport the trend!
FashionEdible Blog
I love this idea — the clutch looks great! xo
http://allthingsprettyandlittle.blogspot.com/
WOW. This is really amazing!! I might have to break out my mom's old sewing machine from the 80's! I'm loving the calf hair too, super adorable.
<3 sarah
http://www.lifebyappointment@blogspot.com
this looks fun! cute clutch! thanks for sharing. I definitely need to take a sewing class…or buy sewing for dummies or something.
http://shortandsweetjoy.blogspot.com/
Great tutorial! This looks like a fun DIY project, thanks for the detailed tutorial!
xoxo,
Suzie Q
http://www.StyleCueBySuzieQ.com
thanks for the tutorial! i can't wait to make one. i've been wanting to get a fold-over clutch and now i can just make one!
Maggie
lovestylehappiness.blogspot.com
I'll add another " Thank you!" to the pile. I'm borrowing my mom's sewing machine in April so I'm excited to try this out. Also that skirt tutorial in the works 🙂
Totally saving this, Jean! Thank you <3
great DIY and tutorial. thanks for sharing. 😉
I wish I was disciplined enough to do a DIY. I actually may try this one. Thanks for the how-to 😉
http://www.kholaskloset.blogspot.com
thank you for making a step by step on how to make this. I will be trying my hand at this
So clever! Thanks for sharing with your readers how you make your magic! Inspired by your DIY and tailoring projects, I'm currently learning how to sew.
wow!!!!!! That's great! :*
http://landing-in-fashion.blogspot.com/
I love this DIY tutorial on the clutch. I have once saw an oversized clutched made the same way and I can't wait to pick up some materials for this! Thank you for sharing! Your blog is wonderful.
xx,
Christie
Love both your clutches! I feel so intimidated by zippers so thank you for showing me they're ok :). Also, thanks for the links to the materials. I trust your judgement of the materials. And also the link to the other tutorial for a lined clutch.
Wow…great post Jean. If I could do this I would have dozens of clutches now 🙂 I always envy you and S' great sewing ability. The clutch looks very chic btw.
Thanks for the link, Jean! I've been meaning to make my own foldover clutch, but I just hadn't come across the right material. This looks perfect!
The Ann Taylor sale is for the US only but I am excited to see international shipping. It's a start.
I've been wanting to do this, great tutorial. Thank you.
xo
http://pinksole.com
This is amazing – with your tips, I think this is one DIY I might actually attempt…love it!
http://www.pennypincherfashion.com
I've seen purse forms at fabric stores before, so if someone wants a structured purse, you can use these to attach material to.
So crazy cute – thanks for doing the tutorial! I typically take my pins out far before the needle hits, but usually pin horizontally to the item in case I do roll over one. Not sure if that makes your pinning easier? I think my klutzy brain looks at your picture and automatically imagines getting pricked in the finger. Might also be easier sewing right side of zipper to right side of material to hide the zipper edge? I don't think it matters in this case because it looks fine the way it is, but if you had a longer zipper, it'd be easier to tuck and hide the tails that way. 🙂
Love the calf hair material you chose for your clutch. So chic! Can't wait to see how you wear it and thanks for the easy to follow tutorial as usual!
Have a great week Jean 🙂
xo
Jen
Love this clutch, Jean! I made one myself after seeing your first post about it. I was wondering how you keep the shape of the clutch rectangular once it's finished? Did you line it with something stiff inside?
Thanks for being such a great inspiration. 🙂
This is wonderful! What size leather did you use for your red ostrich clutch?
LOVE this tutorial! Very simple, yet so informative! Love your blog.
XOXO
EK
This is so cute! I must invest in a sewing machine!!
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