Cumulative Time is an appropriate name for this 40-year-old whisky because it’s made using a technique called remnant vatting. It’s a process unique to the distillery in which the malt master carries one batch over, time and time again, before marrying it with the casks selected for each subsequent release. This is done to imbue the spirit with the character of past releases and to accumulate layers of flavour over 40 years. The bottle is presented in a handmade jesmonite box with subtle markings on each so they’re unique and unable to be replicated.