only with vice (it's the most accessible and not that hard to do)... i am struggling with elisabeth, iuri and leona right now and i have like the first 3-4 trials with almost all the characters.Only problem so far is learning and doing the shortcuts right - execution is not a problem and i find it very easy than older kofs - you just have to memorize a lot of bullshit for those trials LMAO
sorry but i do not sell any of my sticks.you should try the official hori store or matcatz - they ship to most of western europe and have discounts during streams.
i would recommend getting a hori vx sa or at least a te stick.
if i manage to do them all i expect some kind of nobel prize for wasting time with useless, fucking long and hard to memorize, hard to do combos
still very rewarding when you manage to finish the last trials of a character