● Just operate the handle, you can easily adjust the sewing machine head up and down. ● Because of the low position of the cart, it is easy to load and unload the bag, which is very efficient. ● The trolley with derailment prevention automatically returns to the starting position after the bag is sewed and put down. ● The machine with casters can be moved easily. ● Pin spacing can be adjusted between 7 and 12mm.