Tehillllim on Klaf Tefilah Recites Tehillim from an authentic handwritten scroll written by a Sofer Mumcha, as was the practice in biblical times of Dovid Hamelech.
the Steipler Goan writes in Karyana De’iggarta that Tehillim, hand written on parchment with a special Kedusha of a scribe (sofer) has a unique power in its prayers “Retzuya Umekubeles Beyoser” is on a higher level and meriting ” greater acceptance” above.