This is a great article and great idea. Check it out, here's a short quote, but do click on the article and read the rest.
“One day I was mixing up some epoxy to load into a syringe in order to fill voids in a customer’s transom,” he said. “Then the thought came to me, ‘Is the syringe is strong enough to inject a scent into a hollow-bodied tube jig?” He tried injecting a jig with a product called Slab Sauce made by Crappie.com. Guillot said the sauce is the absolute best in the world of crappie attractants....
OutdoorHub.com Article with Slab Sauce
Great job rojoguio.