We see around 10 to 25 major injuries here in Utica. Better dealers emphasize safety essentials. Manuals and labels also help warn of dangers. Experienced users can be careless with details. Relearn your machine each season.
Prevention is the key.
Do not stick hand in chute or near moving parts. There is less clogging if you do not rush the job. Do not disable safety mechanisms. Make sure the machine has stopped completely before working on it. Be prepared for a clogged machine to jump when freed.