Leaves, sure. I understand and agree.
>> I go though several blades during a year, but I do mulch up a lot of stuff.
OHHHH!
So, after 5-10 years of whacking pebbles and chopping twigs, I should replace the blade?
Hmm, spending money, what a concept. I've been looking at those blades in hardware stores with some longing but never actually thought of spending the few bucks. Yeah, I think you have a good idea there!