【Instructions for use】
If the user has a fast -loading board or a long plate clip, it can only make the device make a single oneMove or move back and forth, and cannot perform two -way activities at the same time.If this oneInstalled the two -way clip seat on the fast -loading board, and then install a long plate on the upper clip,Keeping vertical on these two layers, you can do it in front and rear direction.Sliding instead of moving the tripod front or left and right.