A Sticky Respin is a feature where, when a specific condition is met, certain symbols on the reels are locked in place (Sticky) while the remaining positions spin again (Respin).
Unlike 'Hold and Respin', which takes place on a separate bonus board, this feature typically operates on the main reels with the goal of completing or enhancing a winning combination.
The core of this feature is to provide the fun of watching a small win grow into a massive one by transforming a 'single near-miss spin' into 'multiple extra chances'.