if the one you got bent, you need to look for a good one, or maybe you're trying to 'push' rather than 'pull', if you need to chip down really thick areas use a hammer and chisel to start, then use the scrapper moving toward you .... the one I have has never had a problem other than needing dull blades replaced

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot