I ask that you provide proof before starting hype about shell smash clawitzer. This is how Rapid Spin Greninja started. Serebii said himself that it was entered by hand and may contain errors (which he is known for). He lists shell smash at level 47, the same level that the research thread lists aqua jet. So allow us to prove that it has Shell smash before jumping on the hype train, making sets, or even discussing it. The goal of such a thread is to discuss the known aspects of the pokemon and their possible roles in the metagame.
As of now Clawitzer is akin to special offensive version of escavalier in the lower tiers. Unfortuantely it requires Choice Specs in order to secure a pile of OHKO's, which is problematic as it prevents him from taking advantage of his rather odd but great coverage. As has been mentioned with several pokemon this generation, Clawitzer could pose as a potent Trick Room Sweeper.