The next time they stage a 4-man demonstration for some cause such as increased government transparency, they should also arrange for another 4 group of persons to stand 15 metres and demonstrate for some totally unrelated, and politically neutral cause (for example, "Be Kind to Your Pets").
They should organise both demonstrations in highly similar fashion. For example, both groups stand in the same way and behave in the same way, at the same time of the day. The only difference will be in the messages printed on their placards and T-shirts. For example, the first group's T-shirts may read "More Transparency in the CPF!" and the second group's T-shirts could read "Be Kind to Your Pets".
It will then be interesting to see the police reaction:
Aug 15, 2005
How to protest publicly plor-per-lee
Mr. Wang gives good advice to the SDP on how to stage a public protest the correct way: