Strengthen

Should this quiver not be strengthenable? (that a word?!) 97%(97%) 100%m 100%mv 10847tnl (forest)(cloudy)> rem quiver You stop using a quiver of razor sharp arrows. <100%(100%) 100%m 100%mv 10847tnl (forest)(cloudy)> strengthen quiver You can only strengthen armor, clothing, wearable treasures, or weapons. <100%(100%) 100%m 100%mv 10847tnl (forest)(cloudy)> wear quiver You wear a quiver of razor sharp arrows about your body. It is leather too.