FCS II Panda Twinzer Performance Glass Twin Fin + Twinsers Fins Small to MediumDesigned by Blake Peters for his Panda Shiitake and Shiitake HP Twinzer models, this unique twinzer set has twin side fins at the back and 2 x mini stabilisers at the front. Overview Designed by Blake Peters for his Panda Shiiitake and Shiiitake HP Twinzer models. The front twin fin is neutral and well balanced, categorising it as an all round twin fin with equal parts drive, manoeuvrability and hold. The side fins sit in the S M size category,