First, "Sign In" to your Puppy Culture account, which will take you to your My Account page.

If you're already logged in, simply click "My Account" on the main page of the website.

Here's an article if you need help signing into your Puppy Culture account.

Under the section headed "My Access Tokens", select the "Manage Access Tokens" link.

Next, select "Reset This Token" on the device you'd like to reset.

This will reset and generate a new token - allowing you to link a different device.

Here's an article on how to link your token.