How do I use a two dog coupler?

Answer Attach the leash clip to the large metal ring on the end of a standard 12-inch long dog coupler. Adjust the lengths of the two leads on the coupler by threading the lead through the adjustable clip... Read More »

Top Q&A For: How do I use a two dog coupler

What is an RF coupler?

An RF coupler is a device used to transfer electrical current in order to operate the direction and range of radio signals. An RF coupler can be unidirectional, bidirectional or dual directional.Re... Read More »

Who was the inventor of the railroad car coupler?

Eli Hamilton Janney, a Confederate veteran, invented the modern railroad coupler in 1868. The mechanism he devised is referred to as a knuckle system due to its visual similarity to the human knuck... Read More »

How to Use a 90 Degree Grease Coupler?

A grease coupler, or coupling, attaches to the hose-end of a grease gun for servicing grease fittings. Normally a straight shank, grease couplings are approximately two inches long and pose some re... Read More »

Who Invented the Railroad Coupler?

Eli Janney, an American Civil War Confederate veteran, invented the first semi-automatic railroad coupler in 1868. This device allowed railway cars to be locked together without forcing the railway... Read More »