Flipped the chain off my chainsaw yesterday while doing a horizontal cut on a large branch stump on a fairly good sized round. It took me awhile to figure out why I couldn't get the chain back on the bar until I realized I bummed up a couple of the drive links.... frump, there's no fix that I know of for bummed up drive links! I inspected the bar - it looks okay. Luckily I had a brand new chain to put on so finished the job. I must be getting old... I noodled a couple 30" green locust rounds so I didn't have to handle their weight while splitting. This was the first time I noodled a round.... still have all my appendages.