• EASY INSTALLATION， Comes with a sole holder, can be easily put on the sole of your shoes, firm and reliable, not easy to fall off.
• SPARK GRINDING DESIGN, Equipped with flint and sole fixer, sparks are generated through the friction between the sole and the ground, which can be used in outdoor activities such as pedal bike motorcycle dazzling show.
• Cool and beautiful， the spark grinding ground effect makes you more eye-catching and show your personality in outdoor activities.
• SAFE AND RELIABLE, Made of material, and waterproof, ensuring stability and reliability for long time use.