Fabric spraying, treating, or adhesive spray systems are occasionally used in textile production—but are not sewing machines.

I‑Spray / I‑SPRAY seems associated with fabric cleaning and no‑fray sprays, not a sewing machine barrel or motorized unit
sprayway-tpr.com
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A similar-sounding brand like “LS‑pray” or “L‑spray” might have been misread or mistranscribed from product packaging.