The main cogs were the quarterbacks.

McGrath was the main cog in the rushing attack, and was gone after moving to fourth on Vandy's all-time rushing list.

You must remember the center is a main cog in our quick breaking T formation.

The offense has three main cogs Carr, Davis and receiver Andre Johnson who could be stalwarts for years.

"To have two of your main cogs missing is real frustrating."

Boggs, Mattingly and Tartabull are the main cogs.

Trade routes along the Middle Passage were one of the main cogs in establishing what is known as capitalism today.

And of course the main cog in the sequence of events had been Sister Rose.

But the main cogs will be the same, and they have been part of the problem.

He shone the torch on a heavy, grease-coated cog that engaged the main driving cog on the rim of the cable drum.