Mini YOYO with Hook 1.This Hydroponics hook Comes with plastic stopper to secure the string at the desired length Mini YOYO with HookSupport your plants with our plant Yo-Yo. Just hang it above the plant to support the stem.As your plant grows, retract the yo-yo. This is gentle on plants and the yo-yo string is 60" in length.Comes with plastic stopper to secure the string at the desired length. ...