Hypothetical Situation - Stairs

[Merle]

Originally Posted by Bill_B

Sounds like the time to learn how to do a patent search. I guarantee it will take your mind off hint #2, hypothetical stairs, and many other things. You might even get good at it, but just in case, set a wakeup call for the 8th.

An Estonian patent can be found here: patent link

If you Google the term "ratasjalg" you will find more videos of this wheel-leg device. Ratasjalg appears to be the Estonian term for wheel-leg (Google translates it to "Bike leg").

Merle
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