Step 1 - Press Q to ping Bruiser enemy for rest of the team
Step 2 - open chat, in all caps type in (SCRAKE!!! ! ! ! !) Or in voice chat communicate with out most loudness that (Scrake) is present

By now the team will know what to do.

Pro Tip #1 Do not forget to request DOSH from team mates at the shop stops.
Pro Tip #2 For Advanced reviews please visits KillingFloor2 update and cosmetic shop discussions.