[Phantasm]

It really depended on a lot. During the Claremont era ('75 to '92, but especially after '80), his blades were more like in the movies, drawn as flat knifes (albeit coming out of the back his hands) rather than the more rounded claws that have been prevalent since Magneto ripped the adamantium out of him early on in the Jim Lee era in '92 or '93.

He was once shown using his claws to chop celery, and would slash and stab in equal measure in combat.

It depends greatly on whether awesomenessofme1 is using "the blades are naturally part of him and coated with adamantium" or "the blades are artificial". I'd be tempted to have the claws as knives capable of slash and stab than rounded only stab, but YMMV.