Sicilian Defense: Pin Variation

How to Play Against the Pin Variation in the Sicilian Defense

Why would White play 2.a3 as their 2nd move in the Sicilian Defense? It's not an accepted opening and I see no benefits. How would you go about strategizing a reply, as

A secret Sicilian Defence Pin Variation!, Fabiano Caruana vs Yu Yangyi

Rossolimo Attack (Pin Variation) Sicilian Defense Theory

Sicilian Defense: Normal, Pin Variation

where my sicilian players at?? : r/AnarchyChess

Chess Openings: Sicilian Defence Grand Prix Attack • Free Chess Videos •

Chess Opening Traps in the Sicilian Defense (Part-2) - Remote Chess Academy

Short & Sweet: Cuenca's Kalashnikov Sicilian

Powerful Chess Opening Against the Sicilian Defense, Tricky Wing Gambit, theory