Hong Kong Protest Techniques

Traffic cones - to help contain tear gas cannisters
Suitcases (as defenses)
Water bottles
Laser pointers
Breaking bricks
Using slingshots
Transporting divider fencing
Extinguishing tear gas with traffic cones and metal bowls
Makeshift armor: saran wrap, garbage can lids, luggage = shields
Organization - human supply chain lines
Hand signals for when supplies are needed
Parting crowds for ambulances
Anonymous, leaderless
Airdrop and signal/telegram chats for organization
“Be like water” move quickly instead of occupying a single location
Using trains and public transit to move quickly
Hiding identity through laser pointers and spray paint aimed at security cameras
Single-use transit tickets for untracked public transit