Feeding Problems

I'm having issues with the two balls I recently got eating. They're a male reduced and a normal female, each three feet long housed in tubs with a UTH, two identical hides, 82-90, 40% feeding appropriate sized rats, I've tried mice. I handle them very minimally, I presented, tried with and without tongs. They honestly just seem afraid of rats. It's been a month now, and I've been trying a lot of different things to get them to eat, but it just doesn't seem to work. My third snake is very healthy, and there are no signs of RI's, ticks, etc. They've been known to be problem feeders. Basically, what should I do?

Try the idea I saw presented on here somewhere.

Idea that was presented : Try keeping the mouse/rat near the cage for 30 minutes for the snake to smell the animal and get it's taste buds raging. Then they'll most likely eat it.

I just posted this on another reply but an exposed brain may induce a hungry snake to eat. (like i said elsewhere it worked on my girl), but do it with a pre-killed mouse/rat