T-shirt by Heart Dagger, Throw on and go, Striped design. , Crew neck, Chest pocket, Oversized fit, More room for activities, Exclusive to ASOS. 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.