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Ollie is a difficult skateboarding trick. When you're doing ollie , your front foot can not step on skateboard steadily.
OLLIE HELP is a skateboard accessory with a kind of sandpaper and magnetic.
Using OLLIE HELP makes front foot step on skateboard easier and more stable.
It helps skater learn ollie and do ollie easier.
national united universaty
miaoli, Taiwan
YI-JING WU,
national united universaty