The ASO has another model that has removable, semi-rigid lateral support/inserts (highest support rating). Most tennis players find the support sufficent w/o the inserts. BTW, the McDavid ankle supports (support level 3or4?) frm sportmart r exactly the same and cheaper($30/per).
Also, Suggest u read up on ankle/foot injuries , lots of discussion for foot/ankle therapy suggestions mentioned; mini trampoline, picking up marbles,rolling a ball, in swimming pool leg exercises, balance board. IMO, sounds like yr ankle problems r more serious than just straping on a ankle brace. good luck