Exactly. Except, instead of just feats and skill bonuses and minor things, give them actual class abilities, and have them be at 8th, 11th, 14th, 17th, and 20th level. So, like, for yongchunquan, which you had up there, you could have some extra options for strikes and a combination attack defense (probably involving AoOs). Being able to relax out of grapples (via general relaxation, which is a strong theme of yongchun), etc.