Sexuality Kinks

General
Articles

How to Correctly Clean and Store Your Sex Toys, on Healthline

How to Give a Blowjob that Blows Their Mind, on Kink Store

How to Use a Cock Ring Safely and Simply, on Kink Store

Sex and Disability: Several Types of Disability, on Kink Academy (free)

Books

Cuffed, Tied, and Satisfied: A Kinky Guide to the Best Sex Ever, by Jaiya

Kinky History: A Rollicking Journey through Our Sexual Past, Present, and Future, by Esmé Louise James

101 Kinky Things Even You Can Do, by Kate Sloan

Your Blueprint for Pleasure: Discover the 5 Erotic Types to Awaken―and Fulfill―Your Desires, by Jaiya

Videos

The Blueprint Breakthrough by Jaiya and Ian: YouTube channel for vanilla and kinky sex topics

Reid About Sex: YouTube channel for vanilla and kinky sex topics

The Safer Sex Elevator Speech, on Kink Academy (free)

Telling a Partner About a Chronic Sexual Condition, on Kink Academy (free)

Websites

Bad Girls Bible: vanilla and kinky sex topics

Kinkly Blog: vanilla and kinky sex topics

ReidAboutSex.com: vanilla and kinky sex topics

Velvet Lips: sex-positive sex education venue offering workshops and intensive coaching

Anal
Articles

Anal Beads 101: A Step-by-Step Guide to Using Them Safely and for Maximum Pleasure, on V for Vibes

Everything You Need to Know About Anal Sex Safety, on Healthline

Some practical tips for sticking things up your butt, on Ovee

Books

Anal Pleasure and Health: A Guide for Men, Women and Couples, by Jack Morin

Butt Seriously, by Evan Goldstein

The Ultimate Guide to Anal Sex for Men, by Bill Brent

The Ultimate Guide to Anal Sex for Women, by Tristan Taormino

Videos

How to Prep for Anal Sex: First Time Tips and Tricks For Getting Your Booty, Body & Mind Ready, by Hello TUSHY Bidet

9 Things NOT to do during Anal Sex (health and safety tips), by Hello TUSHY Bidet

Bukkake
Articles

Bukkake, on Kinkly

How to Host a Bukkake, on Hush

FetLife Groups

Bukkake

Facials-Cumplay-Bukkake-Etc...

Chastity

See Fetishes & Other Kinks

Cuckolding
Articles

What Is Cuckolding? Sex Experts Explain Everything You Should Know, on Men’s Health

Here’s What to Know About Cuckold Relationships, on VeryWellMind

Books

Cuckold Conversion Kit — For Wives: Ethically Getting Him To Want And Need A Tiny Cuck Status, by Allora Sinclair

DNA of a Cuckold — Advanced Couples Edition, by Allora Sinclair

Erotic Cuckolding: The Real Guide for Couples, by Emma Kelly and Scott Kelly

FetLife Groups

Cuckold and Femdom

Cuckold Humiliation

Videos

Cuckolding | Sex Education, by Femme Forth

7 Tips for Cuckolds, by Beauty Ray

Fisting
Articles

Beginner’s Guide to Fisting, on UberKinky

How to Do Vaginal Fisting the Right Way, According to People Who’ve Tried It, on Men’s Health

25 Tips for Your First Fist, on the Advocate

FetLife Groups

Anal Fisting

Fisting

Vaginal Fisting

Videos

THE ECSTATIC ART OF ANAL FISTING | How to Anally Fist Your Partner in 8 Easy Steps, by Helena Nista

Forced Orgasm
Articles

Climax Like a Boss: Your Guide to Safe and Fun Forced Orgasms, on Greatist

FetLife Groups

Orgasm Control Conditioning of Females

Orgasm Control for male subs/slaves

Videos

Kink 101: Forced Orgasms! Orgasm Training, by Kinky Sam Jones

Gangbangs
Articles

Gang Bang 101, on Slut Lessons

How to Organize a Gangbang, on VICE

What to Expect from a Real Gangbang, on SwingTown

FetLife Groups

Gangbang, Gang Bang

Orgies
Articles

Guide to Orgies: How to Participate in an Orgy, on MasterClass

How to Have a Sex Party, on VICE

Books

The Sex Party Handbook: Your Ultimate Guide to the World of Orgies, Sex Clubs and More (and How to Host Your Own), by Ali Bushell

FetLife Groups

Seems like a lot of personals and location-specific groups but no discussion group

Mutiple Penetration
Articles

A Beginner’s Guide to Double Penetration, on Healthline

Double Penetration Comprehensive Guide, on V forVibes

The 15 Best Tips for Double Anal Penetration, on b-Vibe

FetLife Groups

DP (double penetration)

Triple Penetration Players...

Videos

Orgasm Denial

Pegging
Articles

What Is Pegging And How Do You Actually Make It Feel Good? on Women‘s Health

What Is Pegging? Complete Pegging Guide For Maximum Enjoyment, on Bad Girls Bible

Books

The Pegging Book: A Complete Guide to Anal Sex with a Strap-On Dildo, by Cooper Beckett and Lyndzi Miller