Do you really need a foil board? Light wind planing on slalom gear

Light wind windsurfing session on slalom gear. Northerly 10-15kn in gusts, what a fabulous day. Dec 25th, 2019. Join me on Instagram:   / windsurfingnelson   Camera: Sony FDR-AX53, Equipment: Fanatic Falcon 136, Neil Pryde EVOX 9.4 Prototype fin 47 cm. Location: Akersten St., Nelson, New Zealand, https://goo.gl/maps/nsV94dKgdTG2