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, it’s 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 Chu-Ku-Nu 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 power-to-size ratio. The ancient Chinese Chu Ku Nu was not originally built for accuracy but for speed shooting but my new sl