> https://cdn.shopify.com/s/files/1/0554/0567/4694/files/strai... The middle component has teeth on the inside half way round, should be smooth on the inside.
> https://cdn.shopify.com/s/files/1/0554/0567/4694/files/inver... 4 of the 5 orbiting threaded rollers are perpendicular to the screw thread, so wont do anything.
> https://cdn.shopify.com/s/files/1/0554/0567/4694/files/ball-... Ball doesnt fit in the screw thread, just 'squashed' to make it fit?. Screw thread isnt consistent.
> https://cdn.shopify.com/s/files/1/0554/0567/4694/files/stiff... Classic 3 interlocked gears.
> https://cdn.shopify.com/s/files/1/0554/0567/4694/files/optic... Has the elastomer been ripped when the key was inserted?
> https://cdn.shopify.com/s/files/1/0554/0567/4694/files/biolo... Another gearbox that doesnt do anything...
The rest of the website seems filled with just as much slop too...