Sand boa feeding question

I have a Kenyan sand boa. I keep her in sand , so when I feed her I remove her from the tub and place her in a large black empty tote. This is because I have read that sand may be used to keep sand boas as long as you feed elsewhere to prevent sand ingestion.

I started out feeding f.t and she took two of those about 10 days apart on day 30 I tried again and no luck. So on roughly day 40 I tried to live feed a pinky no luck. She did constrict the pinky but didn't eat it.

I guess my question is if you keep sand boas in sand how do you deal with feedings?
Or should I just scrap the sand altogether?
She really seems to like staying burrowed in the sand though.

So I ended up finding a fix. I waited until it looked like she was trying to " escape" from her tub . So I was hoping she was hungry and searching for food.
I have a few mice in the freezer do I pulled one out and set it in warm water. I then placed it on a large Terra cotta saucer and placed it in her tub. I slid the tub back into the rack and waited. Sure enough not five minutes later when I checked there was no mouse. This is a picture after she ate the mouse.

http://i1172.photobucket.com/albums/...psta2und8e.jpg

So if anyone ever has a similar sand issue I hope this could help. Not sure how popular Kenyan sand boas are or if there is anyone else using sand for any other type of snake(this feels unlikely).

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This is a good idea. I really like Sand Boas - they're on my list of snakes to get eventually, along with hognose and BRB. Thanks for the input!