Mexico; Lancandon chipped stone technology- K'in Garcia retouching blades into arrowheads. Note the red bowl with finished arrowheads and the plastic sack with indirect percussion blades. The small white specks around his feet are small percussion flakes; the larger peieces are orange peels.
Mexico; Lancandon chipped stone technology- Mateo Jr. making pressure blades by indirect percussion. Note the different holding technique for the punch and the condition of the work area which is much sloppier than Jose Valenzulo's).