BE A SNAKE HERO! You can make a difference for snakes by joining Advocates for Snake Preservation today. ASP is a 501(c)(3) nonprofit organization. Contributions are tax-deductible as allowed by law, and your donation will go directly toward our efforts to Stop Snake Slaughter at Rattlesnake Roundups. Learn about our other programs to promote compassionate conservation and coexistence with snakes. Learn more about where your money goes. Read our Gift Acceptance Policy.