Typhoon Plus, who did they get for testing? Any club test should be from a 15 'cap player.(s) And if a 15 'cap can hit wedges to perform as they should, repeatedly, or well enough that tests show new grooves to be much better than old, then that is the reason they are at 15 still......it's the only club they can hit properly. Otherwise, bullshit with any club tests.
jmo. imo. TIFWIW.