Sand - The Dynamic Curve (1991) - YouTube,Sand – The Dynamic Curve – CD (Album), 1991 [r842731] | Discogs,T&C Surfboard Factory | This SINR Twin Fin by @gpangsurf was,Sand – The Dynamic Curve – Vinyl (LP, Album), 1991 [r1024905,Various - The Line It Is Drawn / Traces Records TXL01- Vinyl