Yow will discover all of these things at HOBBYINRC under:

HANDHELD GIMBAL GRIP:
https://www.hobbyinrc.com/p/Moveable-Tripod-Bracket-for-DJI-Mavic-Air-Handheld-Gimbal-Stabilizer_2395735.html

SHOCK ABSORBER LEGS:
https://www.hobbyinrc.com/p/Silicone-Shock-Absorption-Elevated-Touchdown-Gear-for-DJI-Mavic-Air-Leg-Protection_2399200.html

PROP LOCKS:
https://www.hobbyinrc.com/p/4Pcs-Bundle-Propeller-Machine-Protecting-Propeller-Fixer-for-DJI-Mavic-Aic-Red_MU2403419.html

LED LANDING PAD:
https://www.hobbyinrc.com/p/70cm-Common-LED-Drone-Parking-Apron-for-DJI-Mavic-Air-Professional-Spark-Phantom-3-Phantom-4-PRO-PRO-_2403342.html

Hobbyinrc Fb web page
https://www.fb.com/Hobbyinrc

BELOW IS THE GEAR I USED TO CREATE THIS VIDEO:
DJI Mavic Air: https://amzn.to/2HDeC3Q
CASE: Mavic Air Waterproof Case: https://amzn.to/2qSN3vv
DEKASI Backpack: https://amzn.to/2rNXUYH
CAMERA: Panasonic 4K Camcorder: https://amzn.to/2vgpK4h
MIC: Rode Video Mic: https://amzn.to/2H2GCgi
AUDIO: Tascam DR-10L: https://amzn.to/2HCl1wh