Straffr is a smart resistance band that helps you exercise on the go
TechCrunch
SEPTEMBER 21, 2021
Think Peloton ‘s stationary bike for spin classes or wall-mounted strength training rig Tonal. Straffr’s team developed the material and has some patents on it. But that’s a fairly poor comparison, because here you’re getting a whole fitness package versus just a piece of elastic.
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