Hands-On Prep Video and Downloadables (RDH)By webmaster2112 / November 10, 2019 Back to: Hands-On Prep Video and Downloadables (RDH) Please download and print the hands-on checklist and cold sore/desensitization example. Diode Laser Training and Certification Hands-On Downloadable Checklist 1 file(s) 158.86 KB Download Diode Laser Training and Certification Hands-On Downloadable Sample Cold Sore and Desensitization 1 file(s) 136.31 KB Download