... brake, operation button,a 1511D- auto-changing shuttle loom 1511D type loom is mainly used for weaving plain,,twill and synthetic ... returning to back center etc , and automatic stop function for warp & weft broken and shuttle trapping, and other electrical protection ... type: seven teeth interval rolling, max rolling dia: 300mm12.Warp stop motion:four-row electrical control.13.Weft stop motin ...