How to make a bead loom

After my store bought loom didn’t work for what I needed it to do. I decided to make my own loom more customized for what I needed it to do. I made my loom with materials I already had so I don’t know the exact names of everything. Materials I used: 1- 1 x 4 board cut 12 inches long 2 small pieces of wood cut 1 inch long each 2 bolts 3 1/4 inches long same width as my board 4 nuts to go on my bolts at each end 1 screw about a inch long to tie your cord tails down to 6 eye screws - open one of them so you c