The prototype combined two of the best cardio machines into one multi-function unit that operated as a rower, skierg, paddle erg, thruster erg, lat pulldown and low row. Chris (@Karma_Bull) says the design was restricted a few years ago because of Concept2 patent issues; the post (7/29/2026) includes a video demo of the device.
The prototype combined two leading cardio machines into a single unit and functioned as a rower, skierg, paddle erg, thruster erg, lat pulldown, and low row.
This prototype took 2 of the best cardio machines ever made and combined it into 1.
It was a:
It got nerfed a couple years ago due to patent issues with Concept2, but I still dream about it often.
Video
Chris (@Karma_Bull)
What happens when someone combines these into one product 🤔
— https://nitter.net/Karma_Bull/status/2079188686399213700#m