The website to access the order books is located here: https://coverrules.com/
Selling on the order book allows you to set the amount of coverage you would sell, at the rate you want. Place the sell order and let it get filled. This can be done with CLAIM and NOCLAIM tokens.
When selling on the order books, the seller only pays gas if canceling an order! The buyer pays the gas for taking an order!
Step 1: (1) Select the app. (2) Select the protocol. (3) Select the token you would like to sell. Step 2: Approve the tokens. Step 3: (1) Enter the amount of DAI you would like to receive per token (2) Enter the number of tokens you would like to sell. (2) Set the amount of time you would like the order to be good for. Step 4: (1) Click "Place Sell Order". (2) Sign the transaction - this does not cost any money. You only pay money to cancel and order.
You will see your order appear on the order book. Once the order is filled you will receive the DAI and no longer have the token. You can cancel your order at any time before its filled.