Hope you Enjoy!
Trick 1: If your participating in college showcase (or impress your buddies)
Trick 2: Increases your actual height
Trick 3: Training aid: over-speed eccentric
Studies:
Increase depth:
http://www.ncbi.nlm.nih.gov/pubmed/21844609
http://www.ncbi.nlm.nih.gov/pubmed/21266733
Over-Speed Eccentric:
http://www.ncbi.nlm.nih.gov/pubmed/23428490