KingKong have made these awesome universal mushroom Antenna cover protective jacket. It fits FatShark & Mushroom shaped antennas. Fits snug while offering you're antenna the protection they need when it comes to hitting a solid object of anysort. Money well spent.
Universal Mushroom Antenna Protect Cover Protective Jacket for FPV Cross Racing Drones
1 pcs Mushroom Antenna Cover Protection ( Antenna not included)
1pc Fatshark Antenna Cover Protection ( Antenna not included)