Dalric B0 Cuff. Foals 1-6 weeks. 2 3/8" W x 3" L. This product is used for foals with club feet. Use the B Cuff in the early stage of the club foot syndrome, as early detection is vital for maximum results. Most club feet develop around 4 - 8 months of age. The cuff also protects the coffin bone from trauma.