Shirt by Heart Dagger, Add-to-bag potential: considerable, V-neck, Wrap design, Sleeveless design, Regular fit, Just select your usual size. 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.