Here are the results of the anal douching survey in San Francisco - San Francisco AIDS Foundation
So Fresh and So Clean: Douching For Dummies – The Montrose Forge
Anal douching: Benefits, risks, and how to
Vaginal Douching - Is It Really Beneficial?
Why You Should Never Douche – Cleveland Clinic
Anal douche tips - How to get anal douching right
Amazon.com: TopQuaFocus Enema Bulb Enema Kit Vaginal Anal Douche for Men Women 8OZ / 224ml Capacity with 4 Replaceable Nozzles (Clear) : Health & Household
Common Anal Douche Myths and the Truth About Them | Teen Vogue
Douche While Pregnant | Douching In Pregnancy
Douching: Why OB/GYNs Say Women Shouldn't Do It | All About Women
Douching | MEN R US
So Fresh and So Clean: Douching For Dummies – The Montrose Forge
Do you have to use an enema or anal douche before you have anal sex?
How to Douche with a Water Bottle | Them
So Fresh and So Clean: Douching For Dummies – The Montrose Forge
So Fresh and So Clean: Douching For Dummies – The Montrose Forge
I once saw this awesome PDF guide to douching posted here or in a comment. It was hand drawn and pretty thorough with drawings of the artist talking you through as well
Vaginal Douching - Is It Really Beneficial?
Why You Shouldn't Douche - Why Douching Is Bad For You | Teen Vogue