Shirt by Heart Dagger, Bold print, Minimal effort, maximum impact, Revere collar, Short sleeves, Button placket, Regular fit, No surprises, just a classic cut. Heart Dagger welcomes ASOS to The House of Heart Dagger with an exclusive tailoring collection. A House which has been built on the very foundations that it strives to uphold and take forward: timeless style, rich fabrics, precision-cut suits and a touch of modern-day dandy.