Not like the past Alta Professional model, our previous prime pick, the Alta Pro two+ has angled rubber feet instead of round rubber feet with retractable spikes; spiked feet are now an optional buy. A number of reviewers say this tripod may be very durable and gives specific movement, and https://rowanrvzor.webbuzzfeed.com/23748030/an-unbiased-view-of-boom-arm-for-tripod