(i) Sandals

(ii) Na` al (5275) - a sandal tongue; by extens. a sandal or slipper (sometimes as a symbol of occupancy, a refusal to marry, or of something valueless). From a primitive root; properly, to fasten up, i.e. with a bar or cord; hence, to sandal, i.e. furnish with slippers:

(iii) Readiness to share Gospel to others.

(iv) (a) 7:1

(b) Luke 15:22; Eph 6:15