Fig. 1From: Kunafa knife and play dough is an efficient and cheap simulator to teach diagnostic Point-of-Care Ultrasound (POCUS)The Kunafa knife is an excellent simulator for the small print convex array probe (3–5 MHz) and its sections. The handle of the knife (a) simulates the probe (b) while the blade (c) simulates the cross sections (d).The yellow arrow points towards the probe pointerBack to article page