Discounts available for combined purchases. This slackline is set up between trees and you walk on it. It can be used for core training and balance practice. 【Uses】 ・Core training ・Children's balance play ・Supplementary training for soccer, baseball, etc. 【Condition】 ・Number of uses: None ・Ratchet operation: No issues ・No major scratches or tears Please purchase only if you understand that this is a used item. Instant purchase is welcome.