Many magical creatures and woods as well as the mystical crystals and metals strengthen and focus spells equally well regardless of whether they are cast by witches or wizards. However, some potential wand components show a distinct preference for either witches or wizards. For example, a wand with a core of unicorn hair strengthens spells cast by witches more than those cast by wizards. Conversely, a wand with a hawthorn handle and shaft will strengthen spells cast by wizards more than ...