There are discounts on various HORI Nintendo Switch Split Pad controllers available at Currys.
HORI Official Nintendo Switch Split Pad Pro Ergonomic Controller - Sonic
Tomtoc has released a case compatible with the Hori Split pad Compact! : r/ NintendoSwitch
Hori's Split Pad Pro for the Nintendo Switch gives you a real controller on the go - The Verge
Split Pad Pro for Nintendo Switch™ - The Legend of Zelda™: Tears of the Kingdom Edition - Nintendo Official Site
Hori Split Pad Compact Review - IGN
HORI Nintendo Switch Pokémon-Themed Controllers
HORI Switch Split Pad Pro Controller for Nintendo Switch Red
Split Pad Pro for Nintendo Switch™ - The Legend of Zelda™: Tears of the Kingdom Edition - Nintendo Official Site
Hori Split Pad Controller The Legend Of Zelda Tears Of The Kingdom for - GameXtremePH
Split Pad Pro for Switch - Hardware - Nintendo - Nintendo Official Site
Switch Hori Split Pad Pro - Lucario & Pikachu