lookout unit 40 preferably comprises a plurality of straight tubular frame members 50 with the frame members 50 being joined by way of connectors 60 60 a as discussed with regard to modular units 20 and 30 means for suspending flexible webs 70 from the frame members 50 may be by way of a sleeve 80 formed in a perimeter of selected webs 70 or by way of tab members 90 the tab members 90 illustrated in fig1 may be joined to the perimeter of a selected web 70 by sewing or other means with the tab member 90 being selectively engageable with itself by way of a fastening mechanism 91 such a hook and loop fastener it is to be understood that a modular lookout unit 40 may be made having sleeve 80 tab member 90 or any combination thereof as may be further seen in fig9 and 10 the modular lookout unit 40 preferably includes at least a top panel 42 although it is within the scope the of the embodiment to include any number of side panels not shown without departing from the spirit of the invention a bottom panel not shown may also be provided depending on the configuration desired by an end user as in the previously discussed modular units 20 20 a 30 and 30 a the lookout unit 40 40 a may further provide a selected.