My neighbor literally destroyed the wedge on his Huskee with a 4-way cutter that torqued it in all the wrong directions. In exchange for unlimited use I ordered him a new wedge (came free, warranty I guess). It came nice and sharp. My neighbor used it all day and when I got it back the blade was blunted, pushed flat along its length, worse at top. Is this kind of wear normal? Should I sharpen it or is dull better with a wedge? I used it a fair bit this weekend and seemed to split just fine.