Very ergonomic

When you have a letter to deliver and you really need to shift.

Just don't use it in the office if you have clicky switches.

Is that a shoe that looks like a keyboard or a keyboard that looks like a shoe?

Reminds me of Reef sandals, at least some of which have bottle openers on the sole.

Using them for that purpose seems ... Ill advised.

Ergonomic? Maybe

Accessible? Well, when you need to be able to do yoga-aasanas just to get it in view; you tell me