Buds are denser, but need to be much more than that. From above, it looks like they are mature, but up close you can see that trichomes are still mostly clear except those few 10%, which are milky with little bit amber heads. In pursuit for full amber and dunk flowers specific for Indica plants, 3 weeks before harvest, nutrients are kept to an minimum and now is time for 2 weeks of Overdrive. That means, this additive will start reboot flowering with its properties to encourage sweeter, stickier and fuller buds. Also will increased cannabinoid and terpenoid levels.