YoYoFactory Loop/Response Performance Oil is a thick lube for yoyo bearings. As the name implies this lube is specifically designed for looping and responsive play. Just put a little on the axle where the bearing sits along with a drop on the bearing itself and you’re good to go.YoYoTricks.com Loop-Response Performance Oil Review
For Classic and Looping play. Increased response high viscosity lubricant.Manufacturer's Description of The Loop-Response Performance Oil