The term "lollipopping" comes from the idea of making your cannabis plant look like a lollipop, with a bare stem and a round top full of buds. By cutting off the lower growth, you can create more airflow and light penetration in your grow space, which can prevent mold and pests, and improve bud development. Lollipopping is a type of high-stress training (HST), which means it involves wounding your plant intentionally to trigger a stress response that makes it grow stronger and more resilient.