i have had luck w/ cricket frogs or baby toads. anything that hops or moves --movement entices racer curiosity. sometimes scented pinkies. i'd let the snake go myself.
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2 tham radix
1 Chicago Tham s. semifasciatus
2 elaphe vulpina
1 gray tiger salamander
4 Aphonopelma hentzi
1 G rosea
1 Haplo minax
1 Brachy angustum
1 Brachy sabulosum
1 Brachy vagans
1 Cent. hentzi scorp