To clean:

Release first block by cutting pack open following dotted line.
Keep second block chamber sealed until next usage.

Uncurl hook by gently snapping support pin located at the base of the hook.
Do not use scissors or a knife as this may damage the hook.

Clip securely onto rim of toilet, where water flow is maximum.

When used up, simply dispose the unit in the trash and replace.

Wash hands after handling unit.