Amazon's referral values always ends with "-20" and is usually placed under the parameter "tag". OPs link doesn't have any referral attached to it. For those wh

Amazon's referral values always ends with "-20" and is usually placed under the parameter "tag". OPs link doesn't have any referral attached to it. For those who aren't familiar with Amazon's links, it may be hard to figure out how to detach it while still keeping it valid.