HA Porridge Pool 5cm is another twilight fly for summer fishing or for the smaller rivers with a small fluorescent cutting point in the dubbing and a clear silhouette wing. Recommended hook size: #10-12 treble, #8-10 double, #6 single. Guideline HA is a salmon tube fly series designed and tested by renewed angler and fishing guide Hajas Andersson from Åre, Sweden. He works at famous Hembre Gård by river Stjördalsälven and his flies are produced and distributed exclusively by Guideline.