This is an early version of the Spring Pan Kit. It combined the SD-1 with the SP-1 and the SK-1. This kit was originally played in a standing position. In later modifications it became a sit down kit. Its use was eventually discontinued around 2014 in favour of the more ergonomic SPK-2.

SPK-1 (2009)
Clip 1 (2009)
Clip 2 (2014)
Clip 3 (2014)