ERSA Pro Stringer Magazine Issue 4 - 2018 prostringer4-18 13.06 - Page 21 ERSA C Start mains C C Start mains 2 Alternate 2x2 C Tie-Off mains D. Installing the crosses D 14. Measure the string for the crosses and check for defects. 15. Leave enough string to fit in the tensioning head. 16. Start the crosses 1 cross below the last outside main. 17. Weave the 2 or 3 cross strings through loosely. 18. Decide whether or not to use a starting block due to the distance of the first cross to the tie-off hole. 19. Weave 1 ahead and straighten the mains and crosses as you go down. 20. Add 4 kilos to the last string and tie-off both crosses. Start crosses 21 ERSA PRO STRINGER // ISSUE 4-2018