Enabling the Lowball Offer Policy on the Reverb iOS App:

1. Select "My Reverb" in the navigation bar
2. Select the gear icon on the top left-hand side
3. Select "Edit Shop"
4. Select "Edit Other Shop Policies"
5. Scroll down to Offer Policy and select the checkbox to "Automatically decline offers below 64% of asking price"
6. Click on Save Changes

Enabling the Lowball Offer Policy on the Reverb Android App:

1. Click on the gear icon in the menu 
2. Click on "Shop Details"
3. Click on "Edit" in the top right
4. Click on "Edit Payment and Policies
5. Scroll down to Offer Policy and select the checkbox to "Automatically decline offers below 64% of asking price"
6. Click "Save Changes"