"ass-o-meter"
Did you use the corrguated cardboard method at home or something more clever? Want to try it for my OH. Thanks
used a sheet of foil on a towel, but it was wildly imprecise! Several different results. In the end my OH went into a cycle surgery and used the official one.
Since fitting the Oura she's been much happier.
@Bezzin started
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Did you use the corrguated cardboard method at home or something more clever?
Want to try it for my OH. Thanks