When the ad for investment in a Gaeltacht distillery came across my Twitter timeline, I was intrigued.  I had visited the blocky warehouse overlooking a beautiful lake in the foothills of the Partry mountains, on the southern border of Co Mayo, several years ago. Inside the breezeblock walls were the gleaming copper stills of the Loch Measc Distillery, a shop, and a simple exhibition explaining the production process. So I clicked the ad, which took me through to an application form for a prospectus. Commercial director Frank Hannigan called me within 15 minutes and sent through the prospectus and bank…