Having a plastic spatula with a felt rim is essential for anyone who wants to attach stickers with precision and care. Make no mistake: the quality level of the final work, carrying it out without this tool and simply using "bare hands", will always be less effective than what you can achieve using a spatula (experience lived on our skin...). So don't think you can do without it. In fact, this tool allows you to eliminate air bubbles and imperfections that can be created during the attachment of adhesives. In this sense, preventing the formation of bubbles under the stickers, which are sometimes difficult to correct, allows you to drastically reduce imperfections. A distinctive feature of these types of spatulas is the felt edge: a soft but resistant material that is therefore ideal for attaching adhesives to all types of surfaces (flat, convex, concave, etc.), allowing the film to conform perfectly to the base on which it is attached without risking damaging it, creating tensions or tears. Therefore, always make sure you choose spatulas that have this felt component, which is essential so as not to damage the adhesives regardless of the attachment surface. 

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Photo credit Evoluzione Carta S.r.l.