just bought a top in the sales and it's dry clean only 100% viscose. How can I test it to see if it'll shrink if I cool handwash it...? At the moment thinking it might just have to go back.. [[https://www.jigsaw-online.com/product/whimsical-leaves-tie-top/J38503_GN023?lgw_code=9219-J38503_GN02312&gclid=EAIaIQobChMIqtSiuv6n4wIVVmQVCB3cRQyMEAEYASACEgItyvD_BwE]]