The Hori Split Pad Pro is an excellent Joy-Con alternative, offering far greater comfort and extra precision.
Hori Split Pad Pro + Attachment Set
Split Pad Pro for Switch - Hardware - Nintendo - Nintendo Official Site
Pro controller experience in Handheld Mode Features ergonomic grips equipped with assignable rear triggers, Turbo functionality, and D-pad Compatible
HORI Nintendo Switch Split Pad Compact (Apricot Red) - Ergonomic Controller for Handheld Mode - Officially Licensed by Nintendo
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Hori Split Pad Pro review: 'A must-see Joy-Con alternative
Hori Split Pad Pro (Red) for Nintendo Switch Enjoy the full-size controller experience in handheld mode with the HORI Split Pad Pro! Featuring full-size analog sticks, a precision D-pad, and large shoulder buttons designed for comfort and accuracy, even during marathon gaming sessions. Advanced features include assignable rear triggers, Turbo functionally, and more. Perfect for high-pace action titles and many other genres.
Nintendo Switch - Hori Split Pad Pro (Zelda: Tears of The Kingdom)
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Replacement Joy-Cons: The Hori Split Pad Pro or The Binbok Joy-Pad Controller?