Customers say this wallet chain attachment is easy to install and provides secure wallet protection. Many appreciate the modular design that allows connecting keys or chains to prevent losing their wallet. Users find the D-ring sturdy and well-made, with several noting it works perfectly with various chain hooks and carabiners. Common feedback includes praise for the low-profile design that doesn't add bulk. Some mention the belt clip can be tight and difficult to remove when switching pants, while a few note the chain or ring is smaller than expected. The attachment can kink if stored in pockets. Most find installation straightforward, though some wish for clearer instructions with pictures.