YI734: DROP SAFE DEVICE

DANIEL WOO CHI KEUNG SMJK CONFUCIAN

I3DC24 | Young Innovator (Online)

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Drop Safe Device (DSD) is a device comprise of a retractable recoil mechanism to the wrist band at one end that is attachable to hold any type of tools or equipments (cleaning or hardware tools or racquet). The DSD enable the cleaner or worker or badminton player to retrieve his or her cleaning tools or hardware or racquet easily, when the retractable cord pulls back the tools or hardware or racquet, when they accidentally drop it.