XIANQI These tiny 90 degree benders will help you reorient your stems to the desired direction for better yields. The following manual training technique is call low stress training (LST), it involves manipulating the shape of plants to produce better yields while controlling the height and shape of your plants. Low stress training is done to create multiple flowering sites and to allow light to be more evenly distributed and reach more leaves.Increase Light Penetration: Control the height and shape of the plant to even out the canopy so light can reach all parts of the plant. Increase Yields: Creates multiple flowing sites in addition to the main stem. Increase Airflow: Reorient stems to allow better airflow to help disperse moisture and low the chance of mold growth. Easily Install: Gently bend stems back and forth and then insert the bender over the stem. Effortlessly Removal: Crafted with bright colors for easy detection in dense foliage. Easy to find and remove. Reuse:strong, durable, and impact-resistant plastic. Reusable for multiple grows. Note: Plant Benders not included with pots Quantity shipped: 30 pieces Product color:red Product size: about 3.5cm*1cm