Bleach have unusual weapons in general, though I find this weapon quite unusual... Even compared to other weapons, like Renji's Bankai and Komamura's Shikai and Bankai.
I can't post pics right now, but I have a huge list of characters with weird weapons...
Ichigo Momomiya has a pink bell
Retasu Midorikawa has green castanets
Purin Fong has two tambourines
China has a wok and ladle
Amu Hinamori has a whisk, rollerblades, a baton, a conductor's stick, and a giant paintbrush
All of the mermaids from Mermaid Melody have their voices
Edward and Alphonse Elric have alchemy
Envy has shapeshifting
Greed has his "ultimate shield"
Tadase Hotori has a yellow wand thing that shoots glowing pudding
Yaya Yuiki has a hoard of rubber duckies
Rima Mashiro has a tightrope and juggling pins
Kukai Souma has a skateboard and a soccer ball
Blossom has a yoyo
Bubbles has a bubble blower
Sailor Moon has her tiara
Sailor Mercury has bubbles that create fog
Sailor Venus has a chain made of hearts