HersmayTripod Mount Ring 71mm for Sigma APO 70-200mm F2.8 II EX DG Macro HSM

71mm Tripod Collar Mount Ring 1/4" for Sigma APO 70-200mm F2.8 II EX DG Macro HSM Lens

SMALLRIG Clamp w/ 1/4" and 3/8" Thread and 9.8 Inches Adjustable Friction Power Articulating Magic Arm with 1/4" Thread Screw for LCD Monitor/LED Lights - KBUM2732B

Water Bottle Cap