Shirt by Heart Dagger, Minimal effort, maximum impact, All-over print, V-neck, Curved hem, Relaxed fit, Loose but not oversized, 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.