When styling Damson Madder's Sandy Blouse, tie its oversized collar at the neck for an alternative look. When styling Damson Madder's Sandy Blouse, tie its oversized collar at the neck for an alternative look. Damson Madder was born out of a desire to make exciting designs, responsibly. From their North London studio, they craft playful, ultra-feminine designs meant to be worn again, and again (and again!). Think maximal style, minimal impact.