Before revision: Clutch dog A clutch dog mates the engine to the transmission in a modern manual-shift automobile is a friction clutch whose Clutch dogs are the individual lugs within a mechanism called the dog clutch, which comprises a pair of unconnected discs aligned axially, each with a radial arrangement of lugs which oppose one another and which interlock when the plates are in contact.
After revision: Clutch dog Clutch dogs are the individual lugs within a mechanism called the dog clutch, which comprises a pair of unconnected discs aligned axially, each with a radial arrangement of lugs which oppose one another and which interlock when the plates are in contact.