汤玛托易士 33221: a very soft wave-shaped channel

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The sample weighed 518g, with an external length of 16.5cm and a channel length of 13.5cm. Its slender body uses an existing mold. Relative softness was -2, with substantial oil release, modest odor and a soft, smooth feel. The grade is subjective, and fluid-like feel does not establish composition. The source mentions surface powder maintenance without confirming powder compatibility.

The sample had a flattened top, bag-pressure marks and an inclined flat area. Inverted storage was suggested as a cause but not verified. Poor shape stability must be distinguished from internal damage: no obvious channel damage was found when opened.

Approximately five main ridges run through the channel, one below and two on each side, combining transverse texture with longitudinal projections. Contours rise and fall distinctly, including a larger midsection crest. The overall path is roughly W-shaped and narrows deeper inside. Soft material readily leaves cavities, with closer fit after air evacuation. Contours also flatten under pressure, so apparent local gaps in a cutaway did not produce equally strong differences in use.

Contact mainly provided gentle friction, with cavity and wave sensations and almost no dry rubbing. Despite softness, edge contact remained defined rather than merging into undifferentiated texture. The source also considered the feel suitable in a holder and replaceable-insert model, without validating universal mounting compatibility.

The overall recommendation was 4 stars, without category scores. Smooth softness and perceptible ridges were advantages. Limitations are substantial oil release, unstable shape and potential material damage. Susceptibility to damage is a risk assessment, not observed internal rupture in this test or a confirmed lifespan.