blizzard cold Dezember equitation frozen fur hat horse icy landscape pointed cap ride riding santa claus Snow Storm snow white wind windy winter freezing Quarter Horse abstract cover covered covering device discarded dose-delivery drug-delivery easy-to-use essential-care fine-points hollow-needles in-use injection-pen-needles injections medical medical-equipment metal multiple-daily-injections needle needles pen-needles penetration plastic plastic-caps plastic-hubs safety self-care self-treatment sharp sharps steel thin tips used