Copy the youtube link below and paste it to new tap to see how this machine work. Working Vintage Brother Project 651 Heavy Duty Zigzag Sewing Machine. IT WILL SEW WITH EASE ALL THESE SPECIALTY MATERIALS. HANDBAGS AND PURSE LEATHER. HEAVY JEANS AND CANVAS. AUTOMOTIVE LEATHER AND CLOTH UPHOLSTERY. STRAPS MADE OF NYLON WEBBING. BUS, RV, AND AIRPLANE UPHOLSTERY LEATHER. DRAPERY MAKING & MORE! Check the pics on the listing how powerful of this machine is. The Manual included is not exactly same model manual and it’s a copy not an original.