The cocktail tubeset composed of tubes of different thickness can increase the initial speed of the steel ball, and its pulling force is lighter. The disadvantage is that the making process is a bit troublesome. The two tubes I used in the video were 1632 and 2040. To get quality anti-cold tubes→ [ Ссылка ] #slingshot #rubber
![](https://i.ytimg.com/vi/rnXi3Hpz_EA/maxresdefault.jpg)