Tiny SRAM Wireless Blips give you eTap AXS shifting anywhere you want - Bikerumor
SRAM eTap AXS Wireless Blips - Black, Pair - Pro Bike Supply
SRAM releases new wireless eTap AXS Blips for shifting anywhere on your bars | road.cc
Bent Up Cycles - SRAM etap blip box. Technically, you only need this and don't need the blips. But I have found that shifting with the blips by the brake levers works
Quinn Simmons used disposable/recyclable SRAM eTap AXS Wireless Blips at Strade Bianche - Velo
Handmade Sram Etap Blips Button Climb Rush Button Tt Button Dust And Waterproof Remote Controller For Red Axs Force Axs - Bicycle Derailleur - AliExpress