Bast has been proven to pass the white-wall trait, even though it expresses in creamy color vs. true white. Paired to Legacy, also has white-wall in her dna and together they made some of the best red harlequins I have produced.

Extreme harlequin pairing put together by Gecko Labs. All photo credit to Gecko Labs. 

Red white-wall to red harlequin pairing put together by Rilwater Reptiles

Red white-wall pairing put together by Bertopia Geckos (bottom of the photo). Photo credit to Bertopia. 

Red Harlequin and white spot trio put together by Rilwater Reptiles. Rosebud's father was Spike The Punch, and her mother was one of the two included females (Rose & Wallet)