Mini Yoyo With Lock and Two Hooks This hydroponics hooks Comes with plastic stopper to secure the string at the desired length Mini Yoyo With Lock and Two HooksSupport 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 ...