Boucle can be made out of a lot of different things, but I would say if you're not used to working with it try something acrylic, like Bernat soft boucle yarn. As an acrylic, it can be machine washed and is very durable.
cold sweat - the physical condition of concurrent perspiration and chill; associated with fear. fear, fearfulness, fright - an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)
cold hands, warm heart. Cold hands, warm heart definition. Cold hands indicate affection, possibly because the emotions affect blood circulation. cold hands, warm heart. Not showing one's feelings does not signify lack of feeling. For example, Dan rarely sends flowers or anything, but he's a case of cold hands, warm heart.