Traditionally scent, temperature, and taste were the keys to drinking scotch or whiskey. This glass brings two new elements, chilling & motion, to the tasting experience. The elegant design of the glass allows you to roll the ice ball around the ROCK peak with a simple & easy motion. The rolling motion of the ice ball will chill your drink while stimulating the senses. See how chilling & motion take your drinking experience to the next level.ON THE ROCK: The bottom of the glass has our ROCK which creates a natural liquid motion increasing the nosing of aromasICE BALL: Fill the included silicone mould to fill line and put in the freezer to make a single solid ice ball that outlasts traditional ice cubesROLLING: The shape of the glass makes rolling easy without spilling. A slight hand movement rolls the ice ball around the ROCK evenly and cools your favorite scotch, whiskey or liquor to perfectionHolds up to 8oz (237ml) of your favorite scotch, whiskey or