Deformable Four-wheel Retractable Double-row Dual-purpose Roller Skates, Size: 40(DF09 Black)

1. Lining: comfortable lining
2. Upper: microfiber
3. Sole: EVA + rubber sole
4. Wheel: TPU
5. Material design, EVA sole, rubber bottom plate, nylon wheel frame material to help you move forward more easily, high 6. Elasticity, super wear-resistant and precise turning
7. Comfortable lining, refreshing and comfortable, soft and skin-friendly, easy to walk
8. Free conversion of pulley and flat bottom mode, strong material, texture and wear-resistant
9. The whole is made of microfiber material, comfortable and breathable texture fabric, showing different superposition effects

Instructions for use:
1. Open the safety lock (when locked, do not press hard to prevent jamming, rotate the safety switch button at the heel of the shoe, and confirm that the arrow direction remains vertically upward (when the arrow is not vertically upward, it is in the safety lock state)
2. Pop out the wheel (there should be enough space between the wheel and the ground to accommodate the wheel popping out). When the switch direction is correct, press the switch hard and the wheel will pop out automatically (do not leave the switch immediately after clicking, hold for 2-3 seconds to avoid rebound)
3. Retract the wheel (if it is not stuck, you can try to step on it a few times). After confirming that the safety button is vertically upward, press the safety button to the bottom and step on the shoe while pressing the rear wheel connecting rod with your hand to make the positioning pin completely stuck in the slot (make sure the positioning pin enters the slot)
4. Lock the wheel (for safety reasons, it is recommended to rotate the arrow direction of the switch to horizontal), rotate the safety button to any other direction, the safety button can rotate 360 ​​degrees, and the wheel can be locked if it is not vertically upward (in the locked state, please do not force the button to be pressed, and pay attention to check the direction of the switch)