Electric fence spacer

I put an electric fence around my wife's vegetable garden, to keep the ornery no good varmint critters out of it.

But they're clever.  Too clever and too small for just a bunch of parallel wires.  I use 6" wide strips of ½" wire mesh, alternating between high-voltage and ground strips.  They can't jump through it or squeeze under it.  They have to climb it, and there's little chance they can make it over without taking a hit.  Eat our vegetables, will you?  That oughta learn ya, ya stupid, good for nothin’ flea-bitten varmints.

Anyway, the mesh strips need a lot of firm encouragement to stay close to each other, but not touch.  I made these spacer/insulators to solve the problem.

The spacer is attached firmly to each mesh strip with pieces of steel utility wire (don't short the two mesh strips together, of course…)