Amazon.com: weideer Power Jack Momentary Switch Reverse Polarity Rocker Switch DC Motor Control DPDT 4 Pin(ON)-Off-(ON) 20A 12V DC RV Switch with Wires for 5th Wheel Tongue Trailer KCD2-7-223-4P-X : Automotive
Conceptus Tongue Switch Digital Plug | ChutingStar Skydiving Gear
Safety Interlock Switch, Tongue Interlock Switch With A Flat Tongue or Key, Snap Action Contacts, 1 NC And 1 NO, STNK02-Z11 - ASI
Tongue Switch makes it possible for people with disabilities to use their teeth to control switch adapted products.
Tongue Interlock Switches | Allen-Bradley
Interlock Tongue Safety Switch - KOBRA KM
04.0022.009 - Prentke Romich Co. Tongue Switch, TS-2 | Office of History, National Institutes of Health