The book’s position: informing without prescribing
Over seven sections, this chapter has described boosting from every angle an informed player needs: its historical origin in 14.2, the physics of what happens inside the sponge in 14.3, the gap between the rules and their effective enforcement in 14.4, the cultural divergence that explains it in 14.5, the specific products that exist in 14.6 and the real risks it carries in 14.7. One question remains, one the reader has been waiting for since the first page of the chapter: what does this book think?
The answer is deliberately incomplete, and it is worth explaining why.
A book that recommended boosting would be encouraging a breach of rules currently in force. A book that condemned it would be ignoring that millions of players practise it within a coherent technical tradition, that Chinese industry designs its rubbers presupposing the treatment, and that the border between factory tension and manual treatment — as shown in 14.5 — is a regulatory line more than a physical one. Neither position survives an honest examination of the whole problem.
What this book does do is take on three commitments.
The first is to describe without omitting. Boosting exists, it alters equipment measurably and it is part of the reality of competitive table tennis. A book about equipment that kept quiet about it would leave the reader worse prepared than one that explains it. Every fact presented in this chapter — the mechanics of the sponge, the products on the market, the checks in competition, the risks to the rubber and to health — answers questions the player is already asking or will ask. Better that a source which cross-checks its information answers them than an unfiltered forum.
The second is to not dress an opinion up as neutrality. The author accepts that the regulatory asymmetry described in 14.4 and 14.5 raises a problem of sporting fairness with no clean solution while the current framework stands, and accepts too that the practice carries risks — to the equipment, under the rules, to health — that 14.7 has set out without minimising them. Those two acknowledgements coexist without either cancelling the other.
The third is to respect the reader's autonomy. Whoever reads this chapter has the information needed to make their own decision: they know what is gained, what is risked, what competitive context they move in and what the rules say. The decision whether to treat their rubbers does not belong to a book; it belongs to the player who knows their own situation, their level of competition and their own judgement. What does belong to the book is making sure that decision is taken on facts, not on rumour.
This position has a cost: it does not close the debate. A reader who came for a clear verdict — legal or illegal, good or bad, yes or no — is left without one. But a clean verdict would mean simplifying a problem that is not simple, and this book prefers honesty to comfort. Boosting is a grey area, and the function of these pages is not to paint it white or black but to light it well enough for every player to walk through it with their eyes open.