Man, for what your intended use is, the Tasman Salt is perfect. Serrated Hawkbill in a rustproof steel. I know a few vines around my parts give even stainless steels a run for their money when it comes to discoloration. The Hawkbill design should shred through those vines in a heartbeat too.
^ My Tasman. It’s really a good design, one I originally skipped for a multitude of reasons, but I’ve been pleasantly surprised by how useful it is