From the introduction:
Roleplaying is improvised, and sometimes a game can go in an unexpected direction, or explore difficult subjects. These tools help players communicate their boundaries so they can continue to play in a way that’s still fun for everyone.
Not all techniques are appropriate for every style of play–some are better suited at the table than for live-action, and others may not be a good match for a given game. Some games may also have similar techniques already built in. As a facilitator, take some time to think about which tools would work best for your story. If playing a GM-less game, have a group discussion on which technique people prefer. You may only need just one, or you may want to combine a few.
It’s important to model and practice any tools you’re using before the game starts, so everyone is comfortable using them. Also, discuss as a group what might happen in this particular game that could prompt someone to need to use one of these tools. These techniques will only be successful if the group trusts each other and is committed to having healthy interactions.
Once a technique has been agreed upon by the group, it can be used by anyone, at any time, no questions asked. The appropriate response to someone stating their boundaries is “Thank you.”
Publisher's blurb:
Roleplaying is improvised, and sometimes a game can go in an unexpected direction, or explore difficult subjects. Fortunately, there are lots of content calibration tools that help players communicate their boundaries so they can continue to play in a way that’s still fun for everyone. This is a collection of popular tools to use in tabletop or live-action roleplaying games.
Each card features a safety tool or component of a set of tools, with a description on the back of its usage.
Cards include:
Cut and Brake
Fist on Head
Lines and Veils (by Ron Edwards)
Lookdown (by Johanna Koljonen and Trine Lise Lindahl)
Off-Game (by Maury Brown and Johanna Koljonen)
Ok Check-In (by Maury Brown, with Sarah Lynn Bowman and Harrison Greene, adapted by Johanna Koljonen*)
Open Door (by Eirik Fatland)
Script Change (by Beau Sheldon)
Support Flower (by Tayler Stokes, based on Support Signals by Jay Sylvano)
X-Card (by John Stavropoulos)