Instructions: This product is used to make simple handprinting station, fixed screen version, 1 pair for small screen version, and several pairs for large screen version.<br> 1. Take a flat wooden board and draw a straight line on the board.<br> 2. Take two points on the straight line, install the butterfly clip, and install one or several pairs in parallel according to your needs.<br> 3, install the online version, for the printing position, lock the chuck, flip the screen up and down, flexible and unimpeded can be put into use.<br>