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<p>[QUOTE=&quot;GDJMSP, post: 7608855, member: 112&quot;]My point is quite simple, cotton, even clean cotton, all by itself can scratch the metal and damage a coin. That much is undeniable. </p><p><br /></p><p>Now as for the Q-Tip issue. This is what Jason (physics-fan) said - &quot;<i>Of course if you&#039;re using a dirty Qtip with particles embedded in it, you&#039;re going to scratch the coin.&quot;</i></p><p><i><br /></i></p><p>Given that, if you are using a Q-Tip to remove something from a coin, the very moment that you touch that something with the Q-Tip, foreign particles become embedded in the cotton. That is also undeniable. And this, in Jason&#039;s own words, makes it possible for that Q-Tip to scratch the coin ! That is the danger, that is the risk you take by using Q-Tips.</p><p><br /></p><p>Now if you are extremely careful, you may get lucky and not scratch the coin. And even if you are rolling the Q-Tip as you move it, you must also almost immediately pick the Q-Tip up and throw it away. Otherwise those particles embedded in it are going to come into contact with the coin - and quite possibly scratch/hairline it.</p><p><br /></p><p><u>The better solution, the wiser choice, is to not use Q-Tips at all.</u> And I say this because if a simple rolling of the Q-Tip across the surface, with no rubbing whatsoever, is capable of removing material from the coin, that very same material can be removed simply by holding the coin by its edge and swishing it around in your solvent. And this poses no risk whatsoever to the coin ! But it accomplishes the same job - and safely !</p><p><br /></p><p>And yeah, sometimes you may need to soak the coin for a while so that the material will come off by swishing the coin in the solvent - but all that requires is patience.[/QUOTE]</p><p><br /></p>

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