Quick Release L Plate Bracket Holder Hand Grip for Canon EOS 40D Camera when battery grip is attached, Benro Arca Swiss Tripod Head, with a UV lens bag, LLX-DD40D-01 | Wish
Mcoplus BG-40D Vertical Battery Grip Replace as BG-E2N for Canon EOS 40D 20D 30D 50D SLR Digital Camera - AliExpress
Amazon.com : Canon BG-E2N Battery Grip for Canon 20D, 30D, 40D & 50D Digital SLR Cameras (Retail Package) : Electronics