I would recommend Ian Atkinson's vids, hes great at explaining what to do !!!
Making a Moulded Leather Possibles Pouch
http://www.youtube.com/watch?v=lGikTadTN64
Same priniciple here:
Making a Spyderco Friction Sheath (75 minutes, HD)
http://www.youtube.com/watch?v=SIOGDykXJFQ