The warp stop piece is a warp break sensor of the warp stop device of the loom. Each warp yarn on the loom is passed through a warp stop piece. When the warp yarn breaks, the warp stop piece falls by its own weight, and the loom stops quickly through mechanical or electrical devices.  

The heald frame is an important part of the loom opening mechanism. The lifting and lowering of the heald frame drives the warp yarn to move up and down to form a shed. After the weft yarn is introduced into the shed, it is interwoven with the warp yarn to form a fabric.

The function of the reed is to determine the distribution density of the warp yarn and the width of the fabric. When beating the weft, the weft yarn in the shed is beaten to the weft. On the shuttle loom, the reed and the shuttle plate form the channel for the shuttle to fly. The special-shaped reed is used on the air-jet loom to reduce the diffusion of air flow and the channel of the weft yarn.