DIY: Make Repeating Sling Shotgun, repeating sling crossbow, make arrow slingshot vs coke

I have seen people making a crossbow from bamboo but living in the city, its easier to find rubber to make slingshot gun or crossbow. In previous video I used an PVC pipe as limb or prods of my home made mini ChuKuNu repeating crossbow. In another video, I also showed how I made Homemade pistol crossbow bolts but for the time being, not with broadhead. I like testing whether they are safe to use but not for sale. In this video I also show how I made crossbow trigger mechanism with inspiration for Joerg which is working great. I have also made it easy to upgrade the limbs. I build it to last so no hot glue or cardboard is used in this project. Actually it s not a cardboard or plywood crossbow but its stock is made of finger rubber join wood. This is a self cocking repeating sling crossbow with 4 bolt magazine, and although it is smaller this new pistol crossbow has better powertosize ratio. The ancient Chinese Chu Ku Nu was not originally built for accuracy but for speed shooting but my new sl