>>4193281>>41932841. external lighting
2. use a reflector to bounce back light from the sun
3. use a scrim between the subject and light source to diffuse
4. place subject on edge of shadow, and use the ground as a reflector (picrel)
2 & 3 are fairly do-able solo, and super easy if you have a friend than can assist and hold for you
4 is also super easy and convenient, but much more dependent on location