Barriers you cannot undo come first
Official self-exclusion is the single most effective measure for one specific reason: once processed, it no longer depends on you. National schemes block you across every licensed operator, online and in person.
Arcades and casinos additionally keep their own self-exclusion registers, requested at reception, which they are obliged to process.
The test for any barrier: can I get around it in thirty seconds once the urge hits? If yes, it is not a barrier — it is an intention.
Put distance between you and the money
Many banks can block the gambling merchant category, and some apply a delay before it can be lifted. Request it in writing.
Once self-control has failed several times, having someone else hold cards and access for an agreed period stops being humiliating and becomes the thing that works. It is uncomfortable on purpose: the discomfort is the mechanism.
Handling the urge when it comes anyway
The urge is not permanent. It rises, holds for a few minutes and falls, however permanent it feels while it lasts. The tactic is simple: do not argue with it, outlast it.
What makes it work is having decided in advance. Improvising with the urge on you is precisely what fails, because the urge is exactly what degrades your capacity to decide.
Fifteen minutes of waiting, leaving the place and moving your body cover most episodes. Not because they are powerful, but because the urge has a short shelf life.
Remove the reminders
Notifications, shortcuts, tipster accounts, group chats where odds get discussed. None of this causes a relapse on its own, but all of it keeps the subject present and increases the number of occasions on which an urge can arise.
It is the cheapest measure of all and the one most people skip for seeming minor.
The takeaway: In the next step you choose which of these tools go into your plan. Not all of them: the ones that match where you gamble and what the screening returned.