Milwaukee jigsaw into an impact massager. Move aside theragun, this thing has some real power. It also cuts wood : r/MilwaukeeTool
Jigsaw Massage Adapter Bit, Mobility Jigsaw Massage Balls, 6-Piece Bit Sets Muscle Relaxation Trigger Point Massager Heads (Black) : Amazon.ca: Health & Personal Care
GeToo Jigsaw Massage Adapter and Bits - Jigsaw to Percussion Massager Converter, Set of 7 : Amazon.ca: Everything Else