Credit Card Processing – Am I safe buying here?
HarmonicaMute.com is a secure website which uses “Square” to process all Credit Card transactions.
Square is a trusted leader in Credit Card processing and as a payment gateway specialist.
More information here: https://squareup.com
Your credit card information is never stored or even seen in any way by this website or staff members. It is encrypted and processed off-site by Square in a secure manner.