I am a HS baseball coach with a passion for having a top notch baseball field. Unfortunately I do not have a top notch budget. We renovated our infield last year with irrigation and new sod. We did not have it in the budget for laser grading. Things started very well but a lip is forming on the grass edge between 2nd base and 3rd base causing ground balls to "launch." What is the best way and time to remove this with minimal impact to the playing surface? We have HS games through mid-May here in MD but we have summer teams scheduled to use the field immediately. Also, are sport-tine or or shatter-tine aerators available for rent? I need to aerate the infield with minimal impact to playing performance. Thanks in advance!